If your servers are pooled in a compute cluster, the head node is the only crucial machine; the rest can start and stop and crash freely.

如果服务器部署在计算机集群中，那么最前端的节点是惟一的关键机器；其他机器可以随意启动和停止，崩溃了也不要紧。

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Few situations are as distressing as having a physical server crash and discovering that your backup is useless and then that your machine must be rebuilt using bare metal procedures.

最让人痛苦的极端情况是物理服务器崩溃并发现备份不能用，然后不得不从裸机开始重新构建环境。

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The loss of a laptop or crash of a hard drive does not jeopardise the data because it is regularly saved in "the cloud" and can be accessed via the web from any machine.

笔记本电脑的丢失或者硬盘的破损不会危及这些数据，因为他们通常存储于远程数据中心，并可以借助任何一部上网的电脑访问到。

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"People you wouldn't expect to put a lot of force on a machine can really crash and bash them about, " says Robert Green, a Dyson senior design engineer.

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The software giant pledged to fix the update but its efforts became more urgent when security firm EEye Digital Security discovered that the crash circumstances could be exploited to run malicious code on that machine.

BBC: Workers looking at computer screen, Eyewire

She had no memory of the crash and her family was told to consider switching off her life support machine at Newcastle General Hospital.

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